21085350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{983}}^1$

素因数の和:1022

約数の個数: 96

約数和(自身を含む): 61496064

約数和(自身を除く): 40410714

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 25, 26, 30, 33, 39, 50, 55, 65, 66, 75, 78, 110, 130, 143, 150, 165, 195, 275, 286, 325, 330, 390, 429, 550, 650, 715, 825, 858, 975, 983, 1430, 1650, 1950, 1966, 2145, 2949, 3575, 4290, 4915, 5898, 7150, 9830, 10725, 10813, 12779, 14745, 21450, 21626, 24575, 25558, 29490, 32439, 38337, 49150, 54065, 63895, 64878, 73725, 76674, 108130, 127790, 140569, 147450, 162195, 191685, 270325, 281138, 319475, 324390, 383370, 421707, 540650, 638950, 702845, 810975, 843414, 958425, 1405690, 1621950, 1916850, 2108535, 3514225, 4217070, 7028450, 10542675, 21085350]

約数ペア:

[(1, 21085350), (2, 10542675), (3, 7028450), (5, 4217070), (6, 3514225), (10, 2108535), (11, 1916850), (13, 1621950), (15, 1405690), (22, 958425), (25, 843414), (26, 810975), (30, 702845), (33, 638950), (39, 540650), (50, 421707), (55, 383370), (65, 324390), (66, 319475), (75, 281138), (78, 270325), (110, 191685), (130, 162195), (143, 147450), (150, 140569), (165, 127790), (195, 108130), (275, 76674), (286, 73725), (325, 64878), (330, 63895), (390, 54065), (429, 49150), (550, 38337), (650, 32439), (715, 29490), (825, 25558), (858, 24575), (975, 21626), (983, 21450), (1430, 14745), (1650, 12779), (1950, 10813), (1966, 10725), (2145, 9830), (2949, 7150), (3575, 5898), (4290, 4915)]